Patent Assignment
Reel/Frame 011783/0966
Assignment of Assignor's Interest
Recorded: 2001-05-11
Pages: 3
Assignor
PETERSON, GREGG L.
Executed: 2001-05-01
Assignee
AQRIT INDUSTRIES LTD.
CALGARY PLACE RPD, BOX 20145, CALGARY, ALBERTA, T2P 4, CANADA
Covered Property
(1)
Method and Apparatus for the Determination of Formation Fluid Flow Rates and Reservoir Deliverability
Patent:
5,337,821 →
Application:
08/014,132 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 29, 2001
From: AQRIT INDUSTRIES LTD.
To: PRECISION DRILLING CORPORATION
Reel/Frame 011658/0487 →
Assignment of Assignor's Interest
Aug 27, 2001
From: AQRIT INDUSTRIES LTD.
To: PRECISION DRILLING CORPORATION
Reel/Frame 012124/0371 →
Assignment of Assignor's Interest
Dec 12, 2001
From: PRECISION DRILLING CORPORATION
To: COMPUTALOG LTD.
Reel/Frame 012365/0043 →
Change of Name
Jul 1, 2005
From: COMPUTALOG LTD.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 017275/0188 →
Change of Name
Aug 3, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 016345/0078 →
Change of Name
Feb 7, 2006
From: COMPUTALOG LTD.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 017230/0980 →
Assignment of Assignor's Interest
Apr 21, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017507/0031 →
Assignment of Assignor's Interest
Apr 26, 2006
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 017527/0191 →